Find failures & errors and their count in test output

test_name_finder.rb

class Parser
  attr_reader :files
  def initialize
    @read_file_mode = false
    @files = {}
  end

  def feed(line)
    if scan_mode? && scan_match(line)
      @read_file_mode = true
    elsif @read_file_mode
      read_file_name line
    end
  end

  def scan_mode?
    !@read_file_mode
  end

  def scan_match(line)
    line =~ /\d+\) (Error|Failure)/
  end

  def read_file_name(line)
    if line =~ /\[*desktop\/(.*test.rb)/
      @files[$1] ||= 0
      @files[$1] += 1
      @read_file_mode = false
    end
  end
end

File.open("functionals2.txt") do |file|
  p = Parser.new
  file.each_line do |line|
    p.feed line
  end
  p.files.each {|k, v| puts "#{k}: #{v}"}
end